Appendix 1
The Chronological Development of The Unborn Child

 

Twentieth Week

 

Timing

 Source
Eyebrows are visible.
 20th week after fertilization Moore, p 113
Head and body hair is visible. 20th week after fertilization Williams, p 155
The testes have begun to descend. 20th week after fertilization Moore, p 113
The fetus is viable. 20th week after fertilization Moore, p 3
Hair becomes easily recognizable. About week 20 after fertilization Moore, p 517
Sweat glands are developing. About 20 weeks after fertilization Moore, p 517
Sweat glands first appear. About 20 weeks Larsen, p 311
Eyebrows are visible. By the 5th month after fertilization Sadler, p 114
Head hair is visible. By the 5th month after fertilization Sadler, p 114
Movement is usually recognized by the mother. During the 5th month after fertilization Sadler, p 114


 


Download the report
(1,255 KB, Word doc)